How Effective are Homemade Masks at Stopping Spread of Coronavirus?

Recommendations about masks can readily get confusing, because all masks aren’t made equal. The N95 mask effectively prevents viral spread. These masks, when properly fitted, seal closely for the face and filter out 95% of particles 0.3 microns or larger. But N95 masks come in serious shortage even for medical experts, who are exposed towards the highest degrees of SARS-CoV-2 and are most wanting the strongest protection from the virus. They’re also challenging to fit correctly. For those reasons, the CDC won’t recommend them for general use. The number of…

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